3030 Brownell Avenue : The Brennaman Group

The Brennaman Group > Sullivans Island > Marshall Reservation > 3030 Brownell Avenue

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3030 Brownell Avenue, Sullivans Island, SC 29482 $4,750,000

3030 Brownell Avenue is the only home for sale in the Marshall Reservation neighborhood of Sullivans Island.

Bedrooms 4

Full Bathrooms 3

SqFt 5,400

Updated 01/10/2026

Half Bathrooms 0

Price/SqFt $880

General Features

Category Residential

Stories 1

Lot Description .5 - 1 Acre,High

County Charleston

City Sullivans Island

Subdivision Marshall Reservation

MLS number 26000070 (Active)

Address 3030 Brownell Avenue, Sullivans Island, SC 29482 US

Listing Provided by Coastal Connections Real Estate

Sale Type Not an Auction

MLS Area 43 - Sullivan's Island

Description : 3030 Brownell stands as the best-priced opportunity currently available on Sullivan's Island for a true trophy redevelopment site, offering unmatched structural integrity, elevation, and proximity to the beach--making it a rare value for buyers seeking an iconic, once-in-a-generation project.

3030 Brownell stands as the best-priced opportunity currently available on Sullivan's Island for a true trophy redevelopment site, offering unmatched structural integrity, elevation, and proximity to the beach--making it a rare value for buyers seeking an iconic, once-in-a-generation project. This is not simply a homesite--it is an invitation to create something enduring. Set on a half-acre parcel just one block from the beach on Sullivan's Island, the property offers a rare foundation for a truly iconic coastal residence. At its core lies a World War II-era concrete bunker, a feat of engineering whose scale, elevation, and resilience present a once-in-a-generation opportunity to build a modern architectural statement anchored in history and strength.The approximately 5,400-square-foot bunker, constructed with 15-foot-thick reinforced concrete walls, sits 20 feet above sea level and has already proven its durabilitystanding firm through Hurricane Hugo while surrounding structures failed. Its unyielding structure offers a level of hurricane and termite resistance that is virtually impossible to replicate today. Above it, the rooftop is capable of supporting a residence, opening the door to a striking design that rises toward panoramic ocean views, seamlessly blending contemporary architecture with the bunker's raw, industrial permanence. Below, the expansive interior lends itself to imaginative usewhether as a private cinema, wine vault, gallery, or secure retreatallowing the home to be as functional as it is unforgettable. This is the kind of project that transcends typical construction. A true trophy redevelopment opportunity, it offers the potential to create a residence unlike anything currently on the islandone that commands attention, sets new benchmarks, and becomes part of Sullivan's Island's architectural legacy. Just steps from the beach and moments from the island's beloved restaurants and gathering places, the lifestyle here is equally compelling: morning walks along the shore, evenings spent with friends, and the unmistakable rhythm of Lowcountry coastal living. This property is more than resilientit is symbolic. A bold canvas for a buyer with vision. Opportunities of this caliber do not linger. They define eras, inspire conversation, and ignite those willing to think beyond convention. 3030 Brownell offers the rare chance to create something truly singular. Schedule a private tour and explore what the future of Sullivan's Island could look like.

Exterior Features

Exterior See Remarks

Foundation Other,Slab

Roof See Remarks

Water / Sewer Public Sewer

Interior Features

Flooring Concrete

Cooling Central Air

Heating Central

Schools

Elementary School
Sullivans Island

Middle School
Laing

High School
Wando

Sullivans Island

2602 Ion Avenue
4 Bedrooms, 3,472 Sq Ft
$4,550,000

Properties marked with the Broker Reciprocity logo are provided courtesy of Charleston Trident Multiple Listing Service, Inc. The data relating to real estate for sale on this web site comes in part from the Broker Reciprocity Program of the Charleston Trident Multiple Listing Service. Real estate listings held by brokerage firms other than the website owner are marked with the Broker Reciprocity logo or the Broker Reciprocity thumbnail logo and detailed information about them includes the name of the listing brokers. The broker providing this data believes it to be correct, but advises interested parties to confirm them before relying on them in a purchase decision. Information is provided exclusively for consumers' personal, non-commerical use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

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